// 获取页面的高度、宽度
$.afui.ready(function(){
    console.log('afui is ready');
    var xScroll, yScroll;
    if (window.innerHeight && window.scrollMaxY) {
        xScroll = window.innerWidth + window.scrollMaxX;
        yScroll = window.innerHeight + window.scrollMaxY;
    } else {
        if (document.body.scrollHeight > document.body.offsetHeight) {   
            xScroll = document.body.scrollWidth;
            yScroll = document.body.scrollHeight;
        } else {   
            xScroll = document.body.offsetWidth;
            yScroll = document.body.offsetHeight;
        }
    }
    var windowWidth, windowHeight;
    if (self.innerHeight) {   
        if (document.documentElement.clientWidth) {
            windowWidth = document.documentElement.clientWidth;
        } else {
            windowWidth = self.innerWidth;
        }
        windowHeight = self.innerHeight;
    } else {
        if (document.documentElement && document.documentElement.clientHeight) {
            windowWidth = document.documentElement.clientWidth;
            windowHeight = document.documentElement.clientHeight;
        } else {
            if (document.body) {
                windowWidth = document.body.clientWidth;
                windowHeight = document.body.clientHeight;
            }
        }
    }       
    // 对于总高度小于视口高度小页   
    if (yScroll < windowHeight) {
        pageHeight = windowHeight;
    } else {
        pageHeight = yScroll;
    }    
    // 对于总宽度小于视口的宽度小页    
    if (xScroll < windowWidth) {
        pageWidth = xScroll;
    } else {
        pageWidth = windowWidth;
    }
    arrayPageSize = new Array(pageWidth, pageHeight, windowWidth, windowHeight);
    return arrayPageSize;

// 滚动条
document.body.scrollTop;
$(document).scrollTop();

 });